package com.itcast.springDemo.dao;

import org.springframework.stereotype.Component;

@Component
public class UserDao {
    public String findAll()
    {
        System.out.println("接收service处理好的数据");
        System.out.println("操作数据库进行保存");
        System.out.println("将结果给service层");
        return "返回结果";
    }
}
